Calcomine Brown BX Direct Brown B DIRECT BROWN B DIRECT FAST BROWN BX CALCOMINE BROWN BX 2-Hydroxy-5-[[4'-[[1-hydroxy-7-(phenylamino)-3-sulfo-2-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]benzoic acid disodium salt C.I.22345 C.I.Direct Brown 59 Direct Brown BD